Now showing items 1226-1245 of 1776

    Rostres en rostres. Estudi i traducció del "Comentari al Sefer Yesirah" (Llibre de la creació) de rabí Isaac el Pietós, altrament anomenat, el Cec. Una visió teològica, cosmològica i antropològica del seu autor 

    Gendra, Jordi, 1970- (Date of defense: 2012-05-30)

    This dissertation contains a Hebrew edition and annotated Catalan translation of Isaac the Blind's (1165-1235) Commentary on the Book of Creation. The introduction introduces the historical context in which the author ...

    Appearance-based mapping and localization using feature stability histograms for mobile robot navigation 

    Bacca Cortés, Eval Bladimir (Date of defense: 2012-06-20)

    This work proposes an appearance-based SLAM method whose main contribution is the Feature Stability Histogram (FSH). The FSH is built using a voting schema, if the feature is re-observed, it will be promoted; otherwise it ...

    Implicaciones de la adiponectina de alto peso molecular en el eje tiroideo y el metabolismo óseo 

    Prats Puig, Anna (Date of defense: 2012-05-17)

    Adiponectin is a protein secreted by adipose tissue which possesses insulin-sensitivity and anti-atherosclerotic properties. In this work, we will study if high molecular weight adiponectin is a key molecule in the association ...

    Path planning with homotopic constraints for autonomous underwater vehicles 

    Hernàndez Bes, Emili (Date of defense: 2012-06-15)

    This thesis addresses the path planning problem for Autonomous Underwater Vehicles (AUVs) using homotopy classes to provide topological information on how paths avoid obstacles. Looking for a path within a homotopy class ...

    Computational modeling of charge transfer in nucleobase-aromatic amino acid complexes 

    Butchosa Robles, Cristina (Date of defense: 2012-06-22)

    The present thesis models nucleobase-amino acid charge transfer reactions, which can serve as base for future computational investigations of charge transfer processes in DNA-protein systems. Guanine and adenine charge ...

    Nodes relacionals en el model Second Life. Producció i singularitat 

    Serra Navarro, David (Date of defense: 2012-06-19)

    The virtual worlds realms constitute a new space for exploration in which new forms of communication, production and consumption are generated. The presence of these platforms, based on social interaction, is becoming a ...

    Computer vision techniques for early detection of skin cancer 

    Quintana Plana, Josep (Date of defense: 2012-06-14)

    This thesis investigates the problem of developing new computer vision techniques for early detection of skin cancer. The first part of this work presents a novel methodology to correct color reproduction in dermatological ...

    Evaluación de la remoción de semillas por roedores y hormigas en pinares mediterráneos afectados por incendios forestales 

    Jones Román, Gabriela (Date of defense: 2012-06-11)

    This study was conducted in burned and harvested areas of Catalonia. It was evaluated the effect of the granivorous in predispersive fruit removal of Smilax aspera and Quercus coccifera and postdispersive seed removal. ...

    L'adequació dels Plans de Transició al Treball (PTT) a les persones amb discapacitat. Aplicació d'un pla d'avaluació 

    Castro Belmonte, Montse (Date of defense: 2012-05-25)

    In this thesis we start from the position where it is important to provide a new mainstreamed training opportunity that allows people with disabilities to opt for a non-specific environment. These normalised settings should ...

    Reactivity of well-defined organometallic copper(III) complexes in carbon-heteroatom bond forming reactions 

    Casitas Montero, Alícia (Date of defense: 2012-06-01)

    This thesis is focused on the unexplored field of organometallic copper(III) chemistry. Arylcopper(III) complexes have been proposed as key intermediates in Ullmann condensation reactions that consist in the coupling of ...

    Definición de los conceptos "tradicional" e "innovación" en alimentos desde la perspectiva del consumidor europeo 

    Guerrero Asorey, Luis (Date of defense: 2012-05-17)

    Traditional food products (TFP) are an important part of European culture, identity, and heritage. The main objective of present research is to obtain a consumer-driven definition for the concept of ‘‘traditional food ...

    Estructura poblacional y demografía genética en poblaciones de trucha común (Salmo trutta) del Pirineo catalán 

    Fernández Cebrián, Raquel (Date of defense: 2012-03-22)

    In the present study an amplification and genotyping system for 9 microsatellite loci has been developed and used to genotype brown trout (Salmo trutta) individuals. This system has allowed, on one hand, to efficiently ...

    "Per Déu i per la Ciència". L'Església i la ciència a la Catalunya de la Restauració (1874-1923) 

    Bohigas i Maynegre, Jordi, 1958- (Date of defense: 2011-05-10)

    The author explores into the relationship between science and Church during a period of history in Catalonia in which the Church carried out a series of top level scientific measures, such as the school of geology of the ...

    Metalls de transició en la formació d'enllaços carboni-carboni: cicloaddicions [2+2+2] catalitzades per Rh(I) i acoblaments creuats catalitzats per Pd(0) i Ni(0) 

    Brun Massó, Sandra (Date of defense: 2012-04-27)

    Carbon-carbon bond formation reactions catalyzed by transition metals represent one of the most versatile and efficient strategies in organic synthesis. The catalytic transformations contribute to the development of ...

    Automatic diagnosis of voltage disturbances in power distribution networks 

    Barrera Núñez, Víctor Augusto (Date of defense: 2012-04-10)

    This thesis proposes a framework for identifying the root-cause of a voltage disturbance, as well as, its source location (upstream/downstream) from the monitoring place. The framework works with three-phase voltage and ...

    Impact of chlorophenols and heavy metals on soil microbiota: their effects on activity and community composition, and resistant strains with potential for bioremediation 

    Cáliz Gelador, Joan (Date of defense: 2011-12-13)

    Pollution by toxic compounds is one of the most relevant environmental damages to ecosystems produced by human activity and, therefore, it must be considered in environmental protection and restoration of contaminated ...

    Coneixements dels professionals de la salut de l'atenció primària sobre prevenció del consum de drogues 

    Baltasar Bagué, Alícia (Date of defense: 2012-03-27)

    The aim of this research is to know the training of health professionals in health promotion and disease prevention, and to examine its manifestation among the actions and interventions for prevention of tobacco, alcohol ...

    Integrated management of urban wastewater systems: a model-based approach 

    Prat Busquets, Pau (Date of defense: 2012-02-26)

    The main objective pursued in this thesis targets the development and systematization of a methodology that allows addressing management problems in the dynamic operation of Urban Wastewater Systems. The proposed methodology ...

    Synthesis of unusual alpha-amino acids and study of the effect of their incorporation into antimicrobial peptides. Total synthesis of biactive marine natural products and analogues thereof 

    El Marrouni El Ghazaoui, Abdellatif (Date of defense: 2012-04-13)

    The principle theme of this thesis was the synthesis of bioactive compounds. To this end, this work was focus on two main projects. The first one, which was carried out in the Department of Chemistry of the University of ...

    Contribución a la selección de cadenas de procesos de fabricación 

    Blanch Font, Robert (Date of defense: 2012-03-01)

    During the design phase, it creates and transforms ideas into products. It needs to know the manufacturing aspects for ensuring success and calculating the product cost while developing of designs. However, the choice one ...